Working BLE on S3

2026-07-06 19:26:50 +02:00
parent 2e3780cb0b
commit ea4530a5e4
7 changed files with 327 additions and 239 deletions
@@ -0,0 +1,55 @@
+import asyncio
+import sys
+try:
+    from bleak import BleakScanner, BleakClient
+except ImportError:
+    print("Please install bleak first: pip install bleak")
+    sys.exit(1)
+
+DEVICE_NAME = "WijiBoard"
+SERVICE_UUID = "18f3b235-9831-4c75-8ec0-210469b820a0"
+CMD_UUID = "cd083b06-4447-4cf3-a7c3-322ecf802ce4"
+STATUS_UUID = "82e38c5b-d3ab-41d1-861c-b84dc6bb1e03"
+
+async def main():
+    print(f"Scanning for {DEVICE_NAME}...")
+    devices = await BleakScanner.discover(timeout=5.0)
+    
+    target_device = None
+    for d in devices:
+        if d.name == DEVICE_NAME:
+            target_device = d
+            break
+            
+    if not target_device:
+        print(f"Could not find {DEVICE_NAME}. Make sure it is powered on and advertising.")
+        return
+
+    print(f"Found {DEVICE_NAME} at {target_device.address}. Connecting...")
+    
+    async with BleakClient(target_device.address) as client:
+        print(f"Connected: {client.is_connected}")
+        
+        # Setup notifications
+        def notification_handler(sender, data):
+            print(f"[STATUS UPDATE] {data.decode('utf-8')}")
+            
+        print("Subscribing to status characteristic...")
+        try:
+            await client.start_notify(STATUS_UUID, notification_handler)
+            print("Successfully subscribed!")
+        except Exception as e:
+            print(f"Failed to subscribe: {e}")
+            
+        # Send a test command
+        test_cmd = "S1+100"
+        print(f"Sending test command: '{test_cmd}'...")
+        await client.write_gatt_char(CMD_UUID, test_cmd.encode('utf-8'), response=False)
+        
+        print("Waiting 5 seconds to receive any status updates...")
+        await asyncio.sleep(5.0)
+        
+        print("Disconnecting...")
+
+if __name__ == "__main__":
+    asyncio.run(main())